US5347715A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Blade shave counter
Assignee: Individual
•
Filing: 1993-09-14
•
Granted: 1994-09-20
•
Expires: 2013-09-14
Abstract
Abstract A blade shave counter is disclosed which counts the number of shaves for which an interchangeable shaving blade has been used, and displays the count on an LCD display mounted preferably on the shaving handle of a shaving instrument. Optionally, an audible alarm sounds or an LED is activated when the count reaches a predetermined or user selectable value.
Inventors
- 👤 Donald H. Friedland
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 04:46
CPC Classifications
B; B26; B26B; B26B21/00; B26B21/40; B26B21/405; B26B21/4056; B26B21/4081; B26B21/4087; G; G06; G06M; G06M3/00
Claims Analysis
Total Claims: 21
Claim 1
Independent Claim
79 words
A shaving instrument comprising: a shaving blade; a shaving handle connected to said shaving blade; an electronic counting means mounted within said shaving instrument for counting the number of times said blade has been utilized for shaving; and means mounted within said shaving instrument for automatically detecting an activity performed after shaving is initiated by a user, and for automatically incrementing said counting means when said means for detecting indicates that said shaving instrument has been used to shave.
Claim 2
Dependent Claim
79 words
A shaving instrument comprising: a shaving blade; a shaving handle connected to said shaving blade; an electronic counting means mounted within said shaving instrument for counting the number of times said blade has been utilized for shaving; and means mounted within said shaving instrument for automatically detecting an activity performed after shaving is initiated by a user, and for automatically incrementing said counting means when said means for detecting indicates that said shaving instrument has been used to shave.
Claim 3
Dependent Claim
21 words
A shaving instrument according to claim 1 wherein said counting means includes an electronic counter and a Liquid Crystal Display (LCD).
Claim 4
Dependent Claim
22 words
A shaving instrument according to claim 2 wherein said detecting means includes a sensor for detecting when said shaving instrument is wet.
Claim 5
Dependent Claim
44 words
A shaving instrument according to claim 3 wherein said counting means comprises means for incrementing the count only when the sensor detects that the shaving instrument is wet and when the shaving instrument has not been wet for at least a predetermined amount time.
Claim 6
Dependent Claim
26 words
A shaving instrument according to claim 4 further comprising means for resetting the LCD to display a zero count when a shaving blade is initially installed.
Claim 7
Dependent Claim
31 words
A shaving instrument according to claim 5 wherein said means for resetting includes a plunger arranged to complete an electrical circuit when said shaving blade is installed onto said shaving handle.
Claim 8
Dependent Claim
59 words
A shaving handle for use with disposable shaving blades including: a counter; means for detecting the occurrence of an activity performed after shaving by a user has begun, and means responsive to said detecting means for incrementing said counter each time said means for detecting detects the occurrence of an activity performed after shaving by a user has begun.
Claim 9
Dependent Claim
59 words
A shaving handle for use with disposable shaving blades including: a counter; means for detecting the occurrence of an activity performed after shaving by a user has begun, and means responsive to said detecting means for incrementing said counter each time said means for detecting detects the occurrence of an activity performed after shaving by a user has begun.
Claim 10
Dependent Claim
38 words
The shaving handle of claim 7 further comprising: a display; and means for displaying on the display a count that represents the total number of times the shaving handle has been used with a particular blade to shave.
Claim 11
Dependent Claim
21 words
The shaving handle of claim 8 further comprising means for allowing the user to alter the count displayed on the display.
Claim 12
Dependent Claim
22 words
The shaving handle of claim 9 further comprising a Light Emitting Diode (LED) for indicating that the count exceeds a predetermined value.
Claim 13
Dependent Claim
20 words
The shaving handle of claim 9 further comprising an audible alarm for indicating when the count exceeds a predetermined value.
Claim 14
Dependent Claim
15 words
The shaving handle of claim 7 wherein said means for detecting is a moisture detector.
Claim 15
Dependent Claim
48 words
A disposable shaving instrument including: means for detecting the occurrence of an activity performed after shaving begins when the instrument is utilized by a user to shave, a counter, and means responsive to said detecting means for incrementing the counter each time said detecting means detects said occurrence.
Claim 16
Dependent Claim
48 words
A disposable shaving instrument including: means for detecting the occurrence of an activity performed after shaving begins when the instrument is utilized by a user to shave, a counter, and means responsive to said detecting means for incrementing the counter each time said detecting means detects said occurrence.
Claim 17
Dependent Claim
25 words
The instrument claim 13 further comprising: means for displaying a count that represents the total number of times the instrument has been used to shave.
Claim 18
Dependent Claim
21 words
The instrument of claim 14 further comprising means for allowing the user to alter the count displayed on the display means.
Claim 19
Dependent Claim
21 words
The instrument of claim 15 further comprising a Light Emitting Diode (LED) for indicating that the count exceeds a predetermined value.
Claim 20
Dependent Claim
19 words
The instrument of claim 15 further comprising an audible alarm for indicating when the count exceeds a predetermined value.
Claim 21
Dependent Claim
14 words
The instrument of claim 13 wherein said means for detecting is a moisture detector.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1997-09-19 | 1998-03-21 | 1998-09-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2001-09-19 | 2002-03-21 | 2002-09-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2005-09-19 | 2006-03-21 | 2006-09-20 | $7700.00 | Window Closed / Lapsed |